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https://www.kidsfuture.or.kr/js/jquery.easing.1.3.js

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1/*
2 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
3 *
4 * Uses the built in easing capabilities added In jQuery 1.1
5 * to offer multiple easing options
6 *
7 * TERMS OF USE - jQuery Easing
8 *
9 * Open source under the BSD License.
10 *
11 * Copyright 횂짤 2008 George McGinley Smith
12 * All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 *
17 * Redistributions of source code must retain the above copyright notice, this list of
18 * conditions and the following disclaimer.
19 * Redistributions in binary form must reproduce the above copyright notice, this list
20 * of conditions and the following disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * Neither the name of the author nor the names of contributors may be used to endorse
24 * or promote products derived from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
27 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
31 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
32 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
34 * OF THE POSSIBILITY OF SUCH DAMAGE.
35 *
36 */
37
38// t: current time, b: begInnIng value, c: change In value, d: duration
39jQuery.easing['jswing'] = jQuery.easing['swing'];
40
41jQuery.extend( jQuery.easing,
42    {
43        def: 'easeOutQuad',
44        swing: function (x, t, b, c, d) {
45            //alert(jQuery.easing.default);
46            return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
47        },
48        easeInQuad: function (x, t, b, c, d) {
49            return c*(t/=d)*t + b;
50        },
51        easeOutQuad: function (x, t, b, c, d) {
52            return -c *(t/=d)*(t-2) + b;
53        },
54        easeInOutQuad: function (x, t, b, c, d) {
55            if ((t/=d/2) < 1) return c/2*t*t + b;
56            return -c/2 * ((--t)*(t-2) - 1) + b;
57        },
58        easeInCubic: function (x, t, b, c, d) {
59            return c*(t/=d)*t*t + b;
60        },
61        easeOutCubic: function (x, t, b, c, d) {
62            return c*((t=t/d-1)*t*t + 1) + b;
63        },
64        easeInOutCubic: function (x, t, b, c, d) {
65            if ((t/=d/2) < 1) return c/2*t*t*t + b;
66            return c/2*((t-=2)*t*t + 2) + b;
67        },
68        easeInQuart: function (x, t, b, c, d) {
69            return c*(t/=d)*t*t*t + b;
70        },
71        easeOutQuart: function (x, t, b, c, d) {
72            return -c * ((t=t/d-1)*t*t*t - 1) + b;
73        },
74        easeInOutQuart: function (x, t, b, c, d) {
75            if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
76            return -c/2 * ((t-=2)*t*t*t - 2) + b;
77        },
78        easeInQuint: function (x, t, b, c, d) {
79            return c*(t/=d)*t*t*t*t + b;
80        },
81        easeOutQuint: function (x, t, b, c, d) {
82            return c*((t=t/d-1)*t*t*t*t + 1) + b;
83        },
84        easeInOutQuint: function (x, t, b, c, d) {
85            if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
86            return c/2*((t-=2)*t*t*t*t + 2) + b;
87        },
88        easeInSine: function (x, t, b, c, d) {
89            return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
90        },
91        easeOutSine: function (x, t, b, c, d) {
92            return c * Math.sin(t/d * (Math.PI/2)) + b;
93        },
94        easeInOutSine: function (x, t, b, c, d) {
95            return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
96        },
97        easeInExpo: function (x, t, b, c, d) {
98            return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
99        },
100        easeOutExpo: function (x, t, b, c, d) {
101            return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
102        },
103        easeInOutExpo: function (x, t, b, c, d) {
104            if (t==0) return b;
105            if (t==d) return b+c;
106            if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
107            return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
108        },
109        easeInCirc: function (x, t, b, c, d) {
110            return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
111        },
112        easeOutCirc: function (x, t, b, c, d) {
113            return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
114        },
115        easeInOutCirc: function (x, t, b, c, d) {
116            if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
117            return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
118        },
119        easeInElastic: function (x, t, b, c, d) {
120            var s=1.70158;var p=0;var a=c;
121            if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
122            if (a < Math.abs(c)) { a=c; var s=p/4; }
123            else var s = p/(2*Math.PI) * Math.asin (c/a);
124            return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
125        },
126        easeOutElastic: function (x, t, b, c, d) {
127            var s=1.70158;var p=0;var a=c;
128            if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
129            if (a < Math.abs(c)) { a=c; var s=p/4; }
130            else var s = p/(2*Math.PI) * Math.asin (c/a);
131            return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
132        },
133        easeInOutElastic: function (x, t, b, c, d) {
134            var s=1.70158;var p=0;var a=c;
135            if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
136            if (a < Math.abs(c)) { a=c; var s=p/4; }
137            else var s = p/(2*Math.PI) * Math.asin (c/a);
138            if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
139            return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
140        },
141        easeInBack: function (x, t, b, c, d, s) {
142            if (s == undefined) s = 1.70158;
143            return c*(t/=d)*t*((s+1)*t - s) + b;
144        },
145        easeOutBack: function (x, t, b, c, d, s) {
146            if (s == undefined) s = 1.70158;
147            return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
148        },
149        easeInOutBack: function (x, t, b, c, d, s) {
150            if (s == undefined) s = 1.70158;
151            if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
152            return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
153        },
154        easeInBounce: function (x, t, b, c, d) {
155            return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
156        },
157        easeOutBounce: function (x, t, b, c, d) {
158            if ((t/=d) < (1/2.75)) {
159                return c*(7.5625*t*t) + b;
160            } else if (t < (2/2.75)) {
161                return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
162            } else if (t < (2.5/2.75)) {
163                return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
164            } else {
165                return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
166            }
167        },
168        easeInOutBounce: function (x, t, b, c, d) {
169            if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
170            return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
171        }
172    });
173
174/*
175 *
176 * TERMS OF USE - EASING EQUATIONS
177 *
178 * Open source under the BSD License.
179 *
180 * Copyright 횂짤 2001 Robert Penner
181 * All rights reserved.
182 *
183 * Redistribution and use in source and binary forms, with or without modification,
184 * are permitted provided that the following conditions are met:
185 *
186 * Redistributions of source code must retain the above copyright notice, this list of
187 * conditions and the following disclaimer.
188 * Redistributions in binary form must reproduce the above copyright notice, this list
189 * of conditions and the following disclaimer in the documentation and/or other materials
190 * provided with the distribution.
191 *
192 * Neither the name of the author nor the names of contributors may be used to endorse
193 * or promote products derived from this software without specific prior written permission.
194 *
195 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
196 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
197 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
198 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
199 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
200 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
201 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
202 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
203 * OF THE POSSIBILITY OF SUCH DAMAGE.
204 *
205 */

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